Description Organize and easily access the supplies you need for a day on the job with the FLEX FS1303 STACK PACK™ Deep Organizer. Find the pieces you need quickly with its clear, see-through cover, then snap the lid securely back into place with the two-piece durable lock. IP65 all-weather protection shields your tools and accessories from the elements, and an impact-resistant polypropylene body with aluminum reinforced corners offers protection from the toughest jobsite conditions. The FLEX FS1303 features quick-connect interlocking attachment points offer fast and effortless connectivity with any piece in the STACK PACK™ storage system so you can custom build your layout for the ultimate traveling workshop.